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Cascadia DD16 getting hot, found solution

Discussion in 'Freightliner Forum' started by uncleal13, Jun 3, 2017.

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  1. Jun 3, 2017 #1
    uncleal13

    uncleal13 Road Train Member

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    My 2016 Cascadia is only a year old now. The last few weeks it's been running hotter than usual and the fan was kicking in lots. It never overheated but it got close a few times.
    The DD16 has a two stage thermostat, so I thought maybe it wasn't fully opening, so I bought a new one for almost $200. But first a co-worker suggested that the rad maybe plugged seeing as we load in a lot of dusty conditions.
    So this morning I moved the a/c rad and charge air cooler out, and presto here's what I found.
    IMG_1402.JPG IMG_1403.JPG
     
    uncleal13, Jun 3, 2017
    uncleal13, Jun 3, 2017
    #1
    KB3MMX Thanks this.
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  3. Jun 3, 2017 #2
    AModelCat

    AModelCat Road Train Member

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    That'll do it every time. If it was winter at least you wouldn't need a winter front :p
     
    AModelCat, Jun 3, 2017
    AModelCat, Jun 3, 2017
    #2
  4. Jun 3, 2017 #3
    nasriza

    nasriza Road Train Member

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    will do it everytime just put a nice wash on it and should be all good to go
     
    nasriza, Jun 3, 2017
    nasriza, Jun 3, 2017
    #3
    KB3MMX Thanks this.
  5. Jun 3, 2017 #4
    Cat sdp

    Cat sdp . .

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    I always take a garden hose and spray from the backside of the radiator towards the front. Don't know if it helps, but makes me feel better.
     
    Cat sdp, Jun 3, 2017
    Cat sdp, Jun 3, 2017
    #4
    KB3MMX, mhyn and uncleal13 Thank this.
  7. Jun 3, 2017 #5
    mhyn

    mhyn Road Train Member

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    garden hose with fireman's nozzle and spraying from backside. it's good to be presoaked by lemon/orange acid containing cleaners for bugs and flys
     
    mhyn, Jun 3, 2017
    mhyn, Jun 3, 2017
    #5
    uncleal13 Thanks this.
  8. Jun 5, 2017 #6
    RocketyMan

    RocketyMan Medium Load Member

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    Garden hose or washing the backside of the rad only helps partly. What you REALLY need is something that cleans the grime actually off the fins.

    There's this stuff you can find at the hardware store that I have GREAT success with. It's made for HVAC condensers, but a radiator for the engine is the same thing!

    Check it out and let me know what you think!

    AC-Safe Air Conditioner Foaming Coil Cleaner-AC-921 - The Home Depot
     
    RocketyMan, Jun 5, 2017
    RocketyMan, Jun 5, 2017
    #6
  9. Jun 5, 2017 #7
    uncleal13

    uncleal13 Road Train Member

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    Yes I used a foaming rad bug cleaner about three times. Seemed to do the job.
     
    uncleal13, Jun 5, 2017
    uncleal13, Jun 5, 2017
    #7
  10. Jun 5, 2017 #8
    RocketyMan

    RocketyMan Medium Load Member

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    Nice! Do you have an "after" picture showing what the cleaning did?
     
    RocketyMan, Jun 5, 2017
    RocketyMan, Jun 5, 2017
    #8
  11. Jun 5, 2017 #9
    lilillill

    lilillill Sarcasm... it's not just for breakfast

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    Just an FYI... next time use plain dry compressed air. Water will sometimes harden the dust into a concrete consistency, making it even more difficult to remove.
     
    lilillill, Jun 5, 2017
    lilillill, Jun 5, 2017
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    Roberts450 and uncleal13 Thank this.
  12. Jun 5, 2017 #10
    uncleal13

    uncleal13 Road Train Member

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    No, but it looked like clean aluminium. Besides the garden hose I also used a booster that uses both the garden hose and compressed air at 120 psi to do the final cleaning.
    Similar to this one.
    IMG_0109.JPG
     
    uncleal13, Jun 5, 2017
    uncleal13, Jun 5, 2017
    #10
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